and it was will ferrell who had the cowbell and he was like, "all right. that's what i'm trying to say." >> he really got into it. [ laughter ] >> jimmy: really got into it. but then you -- you both upped your game. i don't know if you remember this. but will during air, will changed his shirt to a smaller shirt. [ laughter ] so when he hit the cowbell, his gut -- his stomach came out. >> yeah. yeah. >> jimmy: yeah. and then you kind of turned the christopher walken up a little bit, like you weren't even really speaking english at one point. [ laughter ] you were just going like that and yelling words. [ laughter ] and it was unbelievable. it was unbelievable. [ cheers and applause ] and i was crying. i'm in the sketch, and i'm crying. i go this is -- the whole studio started to shake at one point because we wanted to you come back out, and say gotta have more cowbell. [ laughter ] >> it's the most famous thing i ever did. >> jimmy: it is. [ laughter and applause ] i'm honored. i'm honored to be in that sketch with you. the other sketch, of course, i love,